rebase: factor out command line option processing

diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 5b6278572a48569a806a5a976cdd08eb7c117fb7..77d4aee20ee5b8b01f9a0e3d1f8dbc9f7fdf3eb9 100644 (file)
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 # git-mergetool--lib is a library for common merge tool functions
 diff_mode() {
        test "$TOOL_MODE" = diff
@@ -9,10 +10,10 @@ merge_mode() {
 
 translate_merge_tool_path () {
        case "$1" in
-       vimdiff)
+       vimdiff|vimdiff2)
                echo vim
                ;;
-       gvimdiff)
+       gvimdiff|gvimdiff2)
                echo gvim
                ;;
        emerge)
@@ -34,7 +35,7 @@ check_unchanged () {
                while true; do
                        echo "$MERGED seems unchanged."
                        printf "Was the merge successful? [y/n] "
-                       read answer < /dev/tty
+                       read answer
                        case "$answer" in
                        y*|Y*) status=0; break ;;
                        n*|N*) status=1; break ;;
@@ -46,7 +47,8 @@ check_unchanged () {
 valid_tool () {
        case "$1" in
        kdiff3 | tkdiff | xxdiff | meld | opendiff | \
-       emerge | vimdiff | gvimdiff | ecmerge | diffuse | araxis | p4merge)
+       vimdiff | gvimdiff | vimdiff2 | gvimdiff2 | \
+       emerge | ecmerge | diffuse | araxis | p4merge)
                ;; # happy
        tortoisemerge)
                if ! merge_mode; then
@@ -168,25 +170,30 @@ run_merge_tool () {
                        "$merge_tool_path" "$LOCAL" "$REMOTE" | cat
                fi
                ;;
-       vimdiff)
+       vimdiff|gvimdiff)
                if merge_mode; then
                        touch "$BACKUP"
-                       "$merge_tool_path" -d -c "wincmd l" \
-                               "$LOCAL" "$MERGED" "$REMOTE"
+                       if $base_present; then
+                               "$merge_tool_path" -f -d -c "wincmd J" \
+                                       "$MERGED" "$LOCAL" "$BASE" "$REMOTE"
+                       else
+                               "$merge_tool_path" -f -d -c "wincmd l" \
+                                       "$LOCAL" "$MERGED" "$REMOTE"
+                       fi
                        check_unchanged
                else
-                       "$merge_tool_path" -d -c "wincmd l" \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$REMOTE"
                fi
                ;;
-       gvimdiff)
+       vimdiff2|gvimdiff2)
                if merge_mode; then
                        touch "$BACKUP"
-                       "$merge_tool_path" -d -c "wincmd l" -f \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$MERGED" "$REMOTE"
                        check_unchanged
                else
-                       "$merge_tool_path" -d -c "wincmd l" -f \
+                       "$merge_tool_path" -f -d -c "wincmd l" \
                                "$LOCAL" "$REMOTE"
                fi
                ;;